Text · Indian (modern) · Mysuru
Vaimanika Shastra
A text on ancient aircraft cannot be dated earlier than 1904, scientists found in 1974.
Dictated 1918-1923 by Pandit Subbaraya Shastry (claimed channelled); published 1952/1973
Why did a modern text need an ancient author?
Photo: T.K. Ellappa, Public domain, Wikimedia Commons